package com.arron.DesignMode.adapter;

/**
 * @Classname board
 * @Date 2020/9/13 14:40
 * @Created by 刘
 */
public class board implements Voltage220 {

    @Override
    public  int print220v() {
        System.out.println("输出220v的电压");
        return 220;
    }
}
